生き成なり

き

な

り

Meanings

unbleached cloth; natural beige color

Refers to fabric or the pale beige color of unbleached cotton or linen. Often used in fashion and interior contexts.

na-adjective, noun which may take the genitive case particle 'no'

unbleached; undyed; natural beige

Describes the color or state of being unbleached/undyed. Used as a na-adjective or no-adjective.

ナチュラル
ナチュラル is a broader term for 'natural', while 生成り specifically refers to the unbleached, undyed state of fabric or its color.
エクリュ
エクリュ is a loanword for 'ecru', a similar pale beige color, but 生成り is the native Japanese term with a stronger association with traditional unbleached cloth.

生き成なりUsage66%
Standard kanji spelling for the unbleached cloth/color sense.
きなりUsage34%
Kana spelling is common in everyday writing, especially when the kanji is ambiguous.
生き成なり
Alternate kanji spelling; may be confused with 生成 (せいせい, 'generation').
生き形なり
Rare kanji variant.

From 生 (ki, 'pure, raw') + 成り (nari, 'become, be'), literally 'as it is born/made', referring to the natural, unprocessed state of cloth.